mass effect

noun

The anatomic and physiological effect that an ectopic mass (such as a tumor, hematoma, or pleural effusion) causes by displacing or pushing against eutopic structures. It may squeeze and thus occlude blood vessels or lymphatic vessels; pinch nerves; disrupt gastrointestinal volume and peristalsis; and so on.

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Meanings

nounmass effect (plural mass effects)

plural mass effects

  1. medicineThe anatomic and physiological effect that an ectopic mass (such as a tumor, hematoma, or pleural effusion) causes by displacing or pushing against eutopic structures. It may squeeze and thus occlude blood vessels or lymphatic vessels; pinch nerves; disrupt gastrointestinal volume and peristalsis; and so on.
Cite this entry
APA

mass effect. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/mass%20effect

MLA

“mass effect.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mass%20effect. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “mass effect,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/mass%20effect.

Source: mass effect on Wiktionary, CC BY-SA 4.0.